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MSK 1 > Anatomy -practical 2 :deltoid, axilla, brachial plexus > Flashcards

Anatomy -practical 2 :deltoid, axilla, brachial plexus Flashcards

1
Q

which part of the brachial plexus do most of the nerves innervating the upper limb originate from?

a. roots
b. trunks
c. divisions
d. cords
e. branches

A

d.cords

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2
Q

nerves leaving the axilla superiorly leave via which structure?

a. quadrangular space
b. cervicoaxillary canal
c. clavicopectoral triangle
d. carpal tunnel

A

b.cervicoaxillary canal

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3
Q

neurovasuclature leaving the axilla at the anterior run via which structure?

a. clavicopectoral triangle
b. cervicoaxillary canal
c. quadrangular space
d. triangular space

A

a.clavicopectoral triangle

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4
Q

neurovasuclature leaving the axilla inferior laterally run via which structure?

a. clavicopectoral triangle
b. cervicoaxillary canal
c. quadrangular space
d. triangular space
e. into the upper limb

A

e. into the upper limb

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5
Q

neurovasuclature leaving the axilla posteriorly run via which structure?

a. clavicopectoral triangle
b. cervicoaxillary canal
c. quadrangular space
d. triangular space

A

d. quadrangular space

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6
Q

which 3 muscles border the quadrangualr space?

a. teres major and teres minor long head of triceps brachii
b. pectoralis major and pectoralis minor and long head of triceps brachii
c. teres major teres minor long head of biceps brachii
d. pectoralis major pectoralis minor and long head of biceps brachii

A

a. teres minor, teres major and long head of triceps brachii

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7
Q

the posterior circumflex humeral artery and vein run through the quadrangular space with which nerve?

a. axillary
b. median
c. musculocutaneous
d. lateral
e. ulnar

A

a. axillary

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8
Q

patient with pain in the skin of the regimental patch area. Which nerve is responsible for cutaneous supply to this area?

a. ulnar
b. radial
c. axillary
d. median

A

c.axillary

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9
Q

the axillary nerve innervates the deltoid, teres minor, regimental patch and which joint?

a. elbow
b. acromioclavicular
c. glenohumeral
d. sternoclavicular

A

c.glenohumeral

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10
Q

which two muscles get motor innervation from the axillary nerve ?

a. pec major and teres major
b. deltoid and teres minor
c. deltoid and subscapularis
d. pec major and trapezius

A

b.deltoid and teres minor

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11
Q

patient with pain in shoulder area of arm after injury. The damage is found to be to the deltoid muscle. Where does this muscle attach to insert into the deltoid tuberosity of the humerus?

a. lateral third of clavicle, acromion process, spine of scapula
b. medial third of clavicle, rib 1-6 , scapula
c. medial third of clavicle, coracoid process, spine of scapula

A

a. lateral third of clavicle , acromion process, spine of scapula

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12
Q

a patient has nocicpetive pain in the area of the deltoid. They can longer medially rotate or flex their arm. which muscle fibres are likely to have been damaged?

a. anterior
b. posterior fibres
c. middle fibres
d. lateral fibres

A

a. anterior fibres

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13
Q

a patient has nocicpetive pain in the area of the deltoid. They can longer extend or laterally rotate their arm. which muscle fibres are likely to have been damaged?

a. anterior
b. posterior fibres
c. middle fibres
d. lateral fibres

A

b. posterior fibres

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14
Q

a patient has nocicpetive pain in the area of the deltoid. They can longer abduct their arm past 15 degrees.(supraspinatous abducts up to 15) which muscle fibres are likely to have been damaged?

a. anterior
b. posterior fibres
c. middle fibres
d. lateral fibres

A

c. middle fibres

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15
Q

the axillary nerve innervates the regimental patch area what dermatomes are present in this area?

a. c1 c2
b. c3,c4
c. c5,c6
d. c6,c7

A

c. c5 c6

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16
Q

patient has damage to the supraclavicular dermatome. What spinal nerves supply this area?

a. c3 , c4
b. c4, c5
c. c5,c6

A

a.c3,c4

17
Q

the dermatome at the point of the elbow is supplied by what spinal nerve?

a. t3
b. t2
c. c5
d. c6

A

b.t2

18
Q

the dermatome at the lateral anterior surface of the arm is supplied by which nerves?

a.c5, c6
b,c6,c7
c,t1,t2

A

a.c5,c6

19
Q

which branch of the brachial plexus runs most lateral?

a. median
b. musculocutaneous
c. axiallry
d. ulnar

A

b. musculocutaneous

20
Q

patient with numbness of skin of the forearm which nerve gives cutaneous innervation to this area?

a. axiallry
b. musculocutaneous
c. median
d. lateral

A

b.musculocutaneous

21
Q

the muculocutaneous nerve supplies biceps brachii and which other two muscles?

a. teres major, teres minor
b. teres minor, subscapularis
c. brachialis, coracobrachialis

A

c. brachialis, coracobrachialis

22
Q

which nerve supplies biceps brachii, brachialis,coracobrachialis?

a.musculocutaneous
b. median
c,axiallry
d. ulnar

A

a. musculotaneous

23
Q

patient experiencing numbness on lateral side of the palm, and lateral and lateral 3 and a half fingers on the palmar surface. Which nerve gives cutaneous innervation to the area ?

a. musculocutaneous
b. ulnar
c. radial
d. median

A

d.median

24
Q

the two lateral lumbricals and thenar muscles are innervated by which nerve ?

a. median
b. musculocutaneous
c. axillary
d. ulnar

A

a.median

25
Q

which nerve innervates the muscles of the hand excluding the thenar muscles and 2 lateral lumbricals?

a. axiallry
b. radial
c. ulnar
d. median

A

c.ulnar

26
Q

patient presents with numbness in skin of medial 1.5 digits and associated palmar surface. what nerve innervates this area?

a. axillary
b. median
c. radial
d. ulnar

A

d.ulnar

27
Q

patient with injury to teres major has constricted triangular interval. what nerve is likely to be compressed?

a. radial
b. ulnar
c. median
d. axillary

A

a.radial

28
Q

which nerve runs with the profunda brachii in the radial groove of the humerus?

a. median
b. radial
c. axillary
d. ulnar

A

b.radial

29
Q

patient with numbness in lateral aspect of dorsum of the hand which and posterior arm. which nerve gives cutaneous innervation to this area?

a. radial
b. ulnar
c. median
d. axillary

A

a.radial

30
Q

from which part of the brachial plexus does the dorsal scapular nerve arise?

a. c5
b. c6
c. c7
d. c8

A

a.c5

MSK 1 (23 decks)

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